Home app issue. invite People...

My family can't receive invitation witch i sending from homekit. wee have icloud+, all devises is up to date, new and connect to the network. I see message " Your invitation was sent. Waiting for example_member@icloud.com to accept." and button "Cancel Invitation". it's all! No Invitations on devises of my family, not in mail and not in home app. What i need to do!